<b>Border</b>(
	<i>left</i>: 	<q>BorderSide</q>(<em>width:1.0, color:Colors.red, style:BorderStyle.solid</em>),		<em>// 左边</em>
	<i>top</i>: 	<q>BorderSide</q>(<em>width:1.0, color:Colors.red, style:BorderStyle.solid</em>),		<em>// 上边</em>
	<i>right</i>: 	<q>BorderSide</q>(<em>width:1.0, color:Colors.red, style:BorderStyle.solid</em>),		<em>// 右边</em>
	<i>bottom</i>: 	<q>BorderSide</q>(<em>width:1.0, color:Colors.red, style:BorderStyle.solid</em>),		<em>// 下边</em>
)